3b=10b-84

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Solution for 3b=10b-84 equation: 


Simplifying
3b = 10b + -84

Reorder the terms:
3b = -84 + 10b

Solving
3b = -84 + 10b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-10b' to each side of the equation.
3b + -10b = -84 + 10b + -10b

Combine like terms: 3b + -10b = -7b
-7b = -84 + 10b + -10b

Combine like terms: 10b + -10b = 0
-7b = -84 + 0
-7b = -84

Divide each side by '-7'.
b = 12

Simplifying
b = 12

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